.container{
    position:fixed;
    top:0;
    left:0;
    right:0;
    bottom:0;
    z-index:100;
    overflow:hidden;
    background:#f2f3f4;
}
.list {
    position:absolute;
    top: 80px;
    background:white;
    bottom:0;
    width:100%;
}
item{
    font-size: 24px;
    padding: 20px 10px;
}